Jamieson, Fausset and Brown on Hebrews 2:1

CHAPTER 2

He 2:1-18. Danger of Neglecting So Great Salvation, First Spoken by Christ; to Whom, Not to Angels, the New Dispensation Was Subjected; though He Was for a Time Humbled below the Angels: This Humiliation Took Place by Divine Necessity for Our Salvation.

1. Therefore--Because Christ the Mediator of the new covenant is so far (He 1:5-14) above all angels, the mediators of the old covenant.

the more earnest--Greek, "the more abundantly."

heard--spoken by God (He 1:1); and by the Lord (He 2:3).

let them slip--literally "flow past them" (He 4:1).